75285250 has 16 divisors (see below), whose sum is σ = 140934456. Its totient is φ = 30114000.

The previous prime is 75285193. The next prime is 75285253. The reversal of 75285250 is 5258257.

It can be written as a sum of positive squares in 4 ways, for example, as 43599609 + 31685641 = 6603^2 + 5629^2 .

It is not an unprimeable number, because it can be changed into a prime (75285253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150321 + ... + 150820.

Almost surely, 2^75285250 is an apocalyptic number.

75285250 is a deficient number, since it is larger than the sum of its proper divisors (65649206).

75285250 is a wasteful number, since it uses less digits than its factorization.

75285250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301158 (or 301148 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 75285250 is about 8676.7073247863. The cubic root of 75285250 is about 422.2502988665.

The spelling of 75285250 in words is "seventy-five million, two hundred eighty-five thousand, two hundred fifty".